// TODO Carregar campos a partir do XML de um .ktr
@SuppressWarnings("unchecked")
@Override
public void loadXML(
Node stepDomNode, List<DatabaseMeta> databases, Map<String, Counter> sequenceCounters)
throws KettleXMLException {
try {
XStream xs = new XStream(new DomDriver());
StringWriter sw = new StringWriter();
Transformer t = TransformerFactory.newInstance().newTransformer();
// IPC: se algum colocar um caracter, seja qual for, no getXML() o
// getFirstChild() para de funcionar aqui!
t.transform(
new DOMSource(
XMLHandler.getSubNode(stepDomNode, Field.DATA_ROOT_NODE.name()).getFirstChild()),
new StreamResult(sw));
Map<String, Object> data = (Map<String, Object>) xs.fromXML(sw.toString());
endpointUri = (String) data.get(Field.ENDPOINT_URI.name());
defaultGraph = (String) data.get(Field.DEFAULT_GRAPH.name());
queryString = (String) data.get(Field.QUERY_STRING.name());
prefixes = (List<List<String>>) data.get(Field.PREFIXES.name());
varResult = (String) data.get(Field.VAR_RESULT.name());
} catch (Throwable e) {
e.printStackTrace();
}
}
// Rogers (2012): Persistir campos no repositorio
@Override
public void saveRep(Repository repository, ObjectId idOfTransformation, ObjectId idOfStep)
throws KettleException {
repository.saveStepAttribute(
idOfTransformation, idOfStep, Field.ENDPOINT_URI.name(), endpointUri);
repository.saveStepAttribute(
idOfTransformation, idOfStep, Field.DEFAULT_GRAPH.name(), defaultGraph);
repository.saveStepAttribute(
idOfTransformation, idOfStep, Field.QUERY_STRING.name(), queryString);
repository.saveStepAttribute(
idOfTransformation, idOfStep, Field.PREFIXES.name(), new XStream().toXML(prefixes));
repository.saveStepAttribute(idOfTransformation, idOfStep, Field.VAR_RESULT.name(), varResult);
}
// TODO Gerar XML para salvar um .ktr
@Override
public String getXML() throws KettleException {
XStream xs = new XStream();
Map<String, Object> data = new TreeMap<String, Object>();
data.put(Field.ENDPOINT_URI.name(), endpointUri);
data.put(Field.DEFAULT_GRAPH.name(), defaultGraph);
data.put(Field.QUERY_STRING.name(), queryString);
data.put(Field.PREFIXES.name(), prefixes);
data.put(Field.VAR_RESULT.name(), varResult);
return String.format("<%1$s>%2$s</%1$s>", Field.DATA_ROOT_NODE.name(), xs.toXML(data));
}
// Rogers (2012): Carregar campos a partir do repositorio
@SuppressWarnings("unchecked")
@Override
public void readRep(
Repository repository,
ObjectId stepIdInRepository,
List<DatabaseMeta> databases,
Map<String, Counter> sequenceCounters)
throws KettleException {
endpointUri = repository.getStepAttributeString(stepIdInRepository, Field.ENDPOINT_URI.name());
defaultGraph =
repository.getStepAttributeString(stepIdInRepository, Field.DEFAULT_GRAPH.name());
queryString = repository.getStepAttributeString(stepIdInRepository, Field.QUERY_STRING.name());
prefixes =
(List<List<String>>)
new XStream()
.fromXML(
repository.getStepAttributeString(stepIdInRepository, Field.PREFIXES.name()));
varResult = repository.getStepAttributeString(stepIdInRepository, Field.VAR_RESULT.name());
}